aquarium

The most popular kinds of tropical fish were gathered in one tank to make this picture. The fish Three Lions, Inc.

The term aquarium may refer to a receptacle, such as a goldfish bowl or small tank, in which fishes and other aquatic organisms are kept, or it may refer to a building in which many different forms of aquatic life are put on display for the public or used in research. There are some open-air aquariums in places where the climate permits.

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